diff --git a/lib/twine/formatters/django.rb b/lib/twine/formatters/django.rb
index 87d16fe..464d14b 100644
--- a/lib/twine/formatters/django.rb
+++ b/lib/twine/formatters/django.rb
@@ -53,7 +53,8 @@ module Twine
       end
 
       def format_header(lang)
-        "##\n # Django Strings File\n # Generated by Twine #{Twine::VERSION}\n # Language: #{lang}\nmsgid \"\"\nmsgstr \"\"\n\"Content-Type: text/plain; charset=UTF-8\\n\""
+        # see https://www.gnu.org/software/trans-coord/manual/gnun/html_node/PO-Header.html for details
+        "# Django Strings File\n# Generated by Twine #{Twine::VERSION}\n# Language: #{lang}\nmsgid \"\"\nmsgstr \"\"\n\"Content-Type: text/plain; charset=UTF-8\\n\""
       end
 
       def format_section_header(section)
diff --git a/test/fixtures/formatter_django.po b/test/fixtures/formatter_django.po
index 964a8b5..c8c9197 100644
--- a/test/fixtures/formatter_django.po
+++ b/test/fixtures/formatter_django.po
@@ -1,7 +1,6 @@
-##
- # Django Strings File
- # Generated by Twine <%= Twine::VERSION %>
- # Language: en
+# Django Strings File
+# Generated by Twine <%= Twine::VERSION %>
+# Language: en
 msgid ""
 msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"